OSINT:
https://www.youtube.com/playlist?list=PLrFPX1Vfqk3ehZKSFeb9pVIHqxqrNW8Sy
https://www.youtube.com/watch?v=qwA6MmbeGNo
https://www.youtube.com/playlist?list=PLzxxNgBimt3c1SsMKOHXQRLzUKqTH54ZQ
https://tryhackme.com/r/room/shodan
https://www.sentinelone.com/cybersecurity-101/open-source-intelligence-osint/
https://www.securityblue.team/courses/open-source-intelligence-training-beginner
- Practice:
https://tryhackme.com/r/room/ohsint
https://tryhackme.com/r/room/geolocatingimages
https://ctfacademy.github.io/osint/
https://imshewale.medium.com/top-15-best-ctf-for-osint-practice-89b3f274565a
https://hackyourmom.com/en/kibervijna/osint-ctf-challenges/
https://app.hackthebox.com/challenges?category=9&sort_type=asc